Millions of people around the world are purchasing DNA testing kits and uploading their results to genealogy websites to trace their family trees. Police services are making use of this genetic information too, looking for matches with DNA samples left at crime scenes to solve cold cases. Commissioner Kosseim speaks with renowned DNA forensics expert Dr. Frederick Bieber about the use of these investigative techniques by police and the potential privacy risks for people who participate in recreational genealogy, as well as their family members.